Troubleshooting
To reset or restore the FAN-PWM back to its original settings, press and hold
both the ENTR and PRG buttons down for 10 seconds. The ‘STAT’ LED will blink
5 times
Resetting Or Restoring FAN-PWM Back To Factory Defaults
Number of Blinks on ‘Stat’ LED
1
2
3
4
Blinking LED Code Explanations
CODE 1: Sensor Input Not Found
The FAN-PWM is not sensing a connection to a temperature sensor. Verify con-
nections to the temperature sensor. If using an OEM sensor, verify correct tem-
perature sensor wire is being tapped. See info under High and Low Program
Data Error for more information on sensor issues. If using SPAL sensor did you
cut the sensor harness connector off? If the sensor connector is cut off then you
have to splice the white wire to the green wire. If you have hooked the system
to a switch instead of a gauge type sender this error will occur once the switch
reaches its activation temp. Primary and secondary fan will run during this error
condition.
www.spalusa.com
21
Error Description
Code 1:
Code 2:
Code 3:
Code 4:
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